20212100010113 has 4 divisors (see below), whose sum is σ = 22049563647408. Its totient is φ = 18374636372820.

The previous prime is 20212100010079. The next prime is 20212100010119. The reversal of 20212100010113 is 31101000121202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20212100010113 - 2¹⁶ = 20212099944577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20212100010119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 918731818631 + ... + 918731818652.

It is an arithmetic number, because the mean of its divisors is an integer number (5512390911852).

Almost surely, 2^{20212100010113} is an apocalyptic number.

It is an amenable number.

20212100010113 is a deficient number, since it is larger than the sum of its proper divisors (1837463637295).

20212100010113 is a wasteful number, since it uses less digits than its factorization.

20212100010113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837463637294.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 20212100010113 its reverse (31101000121202), we get a palindrome (51313100131315).

The spelling of 20212100010113 in words is "twenty trillion, two hundred twelve billion, one hundred million, ten thousand, one hundred thirteen".